Kill Ping writes: ” With World of Warcraft moving towards the official release date of its upcoming Tides of Vengeance 8.1.0 Patch, the developers are here with a brand new PTR update for the game titled Build 28616. This new update introduces some pretty interesting new changes to the game and is currently available for all players who have access to the WoW PTR servers.”.
Source: N4G PC World of Warcraft Patch 8.1.0 PTR; Build 28616 Update Available